Home / 99,833.40-149,750.10-40,638.60

Finding the Fourth Proportional to 99,833.40, 149,750.10 and 40,638.60

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Solution

The fourth proportional to 99,833.40, 149,750.10 and 40,638.60 is: 60,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,833.40 : 149,750.10 = 40,638.60 : x
  2. Step 2: Convert to fraction form
    99,833.40/149,750.10 = 40,638.60/x
  3. Step 3: Cross multiply
    99,833.40x = 149,750.10 × 40,638.60
  4. Step 4: Simplify right side
    99,833.40x = 6,085,634,413.86
  5. Step 5: Solve for x
    x = 6,085,634,413.86/99,833.40
  6. Step 6: Final answer
    x = 60,957.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.